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PLS ANSWER THIS FAST......................I WILL MRK IT AS BRAINLIEST!!!The perimeter of an equilateral triangle is 54cm.find its area |
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Answer» Equilateral TRIANGLE ⇒ All sides are the same Formula: AREA = 1/2 absin(c) Area = 1/2 (18)(18) sin(60) = 81√3 cm² or 140.30 cm² (nearest HUNDREDTHS) Answer: 140.30 cm² |
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